Big Basin is beautiful, historic, and extremely family friendly (too family friendly for my purposes). Wastahi Campground is exceptionally hilly--few sites are remotely level--and partly due to this it's pretty loud. There is a lot of echoing of sounds, and the weekend I spent there seemed to have attracted particularly inconsiderate campers. There seemed to be little oversight on the site--music blasting at midnight--and toilet paper ran out early. If you are energetically sensitive like me, be aware that you are not out of the City sphere here. I could still feel the mass of people, and there are several airplanes per day that fly overhead.